Title
PNOC Alternative Fuels Corp. vs. National Grid Corporation of the Philippines
Case
G.R. No. 224936
Decision Date
Sep 4, 2019
NGCP validly expropriated PAFC's land for a transmission line project, as the property is patrimonial and NGCP's action aligns with public purpose under RA 9511.
A

Case Summary (G.R. No. 224936)

Factual Background and Subject Property

NGCP sought to expropriate a 101,290.42 sq. m. portion of land within the Petrochemical Industrial Park (Barangay Batangas II, Mariveles and Barangay Lamao, Limay, Bataan) to construct and maintain the Mariveles‑Limay 230 kV Transmission Line Project. The park’s history: originally public domain reserved under EO No. 48 (1919), partially withdrawn and declared an industrial reservation under P.P. No. 361 (1968) and P.P. No. 630 (1969), transferred to PNOC by P.D. No. 949 (1976) for development as a petrochemical industrial zone, and later expanded and made commercially usable and alienable under P.D. No. 1803 (1981) and R.A. No. 10516 (2013). PNOC organized PAFC to manage and operate the industrial zone; PAFC holds title by deed of assignment (1994) and is charged to manage the property consistent with R.A. No. 10516 and its IRR.

Procedural History in the Trial Court

NGCP filed the expropriation complaint alleging failed negotiations and necessity for its transmission project. Orica and PAFC answered, raising defenses that the land was already devoted to public use and that only Congress could exercise eminent domain over such public‑use property. The RTC overruled defendants’ objections and issued an Order of Expropriation (Feb. 11, 2016), declaring NGCP had a lawful right to take the property upon payment of just compensation and directing selection of commissioners and reception of evidence on compensation. PAFC’s motion for reconsideration was denied (Apr. 18, 2016), prompting this appeal.

Issues Presented on Appeal

The Petition framed two core issues: (1) whether PAFC properly filed a Rule 45 petition directly with the Supreme Court (i.e., whether only pure questions of law were involved); and (2) whether the RTC erred in holding NGCP empowered to expropriate the subject property under R.A. No. 9511.

Procedural Question: Appropriateness of Direct Supreme Court Review

The Court examined Rule 67, Section 4 and Rule 45 and reiterated that a final order sustaining the right to expropriate is appealable. While PAFC titled its filing as a petition for certiorari, the Court treated it as a petition for review under Rule 45. The Court applied the test for questions of law versus fact (Briones v. People): a question of law is one that can be resolved by applying legal principles to an established set of facts without reassessing the probative value of evidence. PAFC’s central contention — that NGCP’s delegated eminent domain power did not permit expropriation of property already devoted to public use absent direct congressional action or a specific grant — was characterized as a pure question of law. Accordingly, filing directly under Rule 45 was proper.

Legal Framework: Nature and Source of Eminent Domain Power

The Court summarized the constitutional and statutory framework: eminent domain is an inherent sovereign power but is subject to constitutional limitation (Article III, Section 9, 1987 Constitution). Although the legislature primarily wields the power and may exercise it directly, it may delegate eminent domain authority to government agencies, municipal corporations, quasi‑public entities, and grantees under franchise statutes. Such delegated power is not inherent to private entities and must be exercised strictly within the scope and limits of the delegating statute.

Statutory Limitations in R.A. No. 9511

Section 4 of R.A. No. 9511 expressly authorizes NGCP to exercise eminent domain only with respect to private property “actually necessary” for construction, expansion, maintenance, and efficient operation of the transmission system and subtransmission systems, and requires observance of applicable eminent domain law and prerequisites (taking of possession, determination and payment of just compensation). The Court applied the plain‑meaning rule: because the statute is clear and unambiguous, NGCP’s power under R.A. No. 9511 is limited to private property.

Distinction Between Public Domain and Patrimonial (Private) Property

The Court recited Civil Code distinctions: lands of public dominion (public use, public service, or for development of national wealth) are outside the commerce of man and inalienable; patrimonial property is held by the State in a private/proprietary capacity and is alienable and disposable. Conversion from public dominion to patrimonial property occurs upon an express declaration of alienability and disposability, after which the property becomes subject to private rights, prescription, and registration. The Court stressed that mere State ownership does not automatically mean public dominion; characterization depends on statutory designation and the use/management (sovereign vs proprietary).

Characterization of the Subject Property as Patrimonial (Private) Property

Applying the foregoing, the Court concluded the subject property within the Petrochemical Industrial Park is patrimonial property that assumes the nature of private property. The laws governing the park (P.D. No. 949 as amended by R.A. No. 10516 and the IRR) explicitly contemplated management, development, and commercial utilization of the land, including leasing, sale, and conveyance to private entities for petrochemical, energy‑related, and other commercially oriented activities. The statutes and IRR described the estate as an industrial and commercial estate encouraging private investment; these provisions effectuate conversion away from inalienable public dominion toward patrimonial, alienable, and disposable property. Consequently, the land is within the class of property

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